Slice the cabbage into thin strips, remove the core, rinse under running water, and drain well.

Cut the chicken breast diagonally along the grain into thin slices.

Heat 1 tbsp olive oil in a pan over medium heat, add 1 tbsp minced garlic, and sauté until fragrant.

Add sliced onion and stir-fry quickly.

Add the drained cabbage and stir-fry over high heat.

Once the cabbage softens slightly, add the sliced chicken breast and stir-fry together.

Add 1 tbsp soy sauce, 1 tbsp oyster sauce, 1 tsp fish sauce, and 1 tsp sweetener. Mix well over high heat.

Create a space in the center of the pan and fry the egg directly in the pan.